Formula: Ag4MnSb2S6
Origin of name: after locality Samsome vein, Hartz Mountains, Germany
Crystal system: monoclinic
Crystal class: 2/m
Twinning:
Unit cell: a = 10.92 Å, b = 8.08 Å, c = 6.68 Å, b = 92.3°
Colour: steel-black
Diaphaneity:
Luster: metallic
Habit: crystals prismatic
Hardness: 2.5
Specific gravity: 5.51
Cleavage: none
Tenacity: conchoidal, brittle
Streak: dark red
Synonyms/varieties:
Comments:
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